. >> reporter: san jose's tenth homicide of the year took place not far from the santa clara government building. they have ended their door-to-door search and we talked to the young man who tried to save the 29-year-old woman. >> the brutal stabbing happened in broad daylight just after 2:30 in the afternoon in a parking lot next to the togo sachbd witch shop. he was eating there and rushed out to help the woman who was slashed on her neck and arms. >> i held her head up and kept pressure on it. can you give me any name and she couldn't really took. >> he was covered in blood when paramedics arrived. >> it was horrible for her to have to die that way. by me being there it wasn't that bad way to die. >> he was doing handy work and had to convince police he was not the killer. real culprit hopped a fence and ran through the neighborhood where they found blood in front of some homes. >> we've been told to stay in our house and with doors and windows locked. >> police went door to door checking dozens of houses, garages and other possible hiding places. they are trying to figure out what l